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Structurally colored inks from synthetic melanin-based crosslinked supraparticles

Ziying Hu, Hao Sun, Matthew P. Thompson, Ming Xiao, Michael C. Allen, Xuhao Zhou, Qing Zhe Ni, Zhao Wang, Weiyao Li, Michael D. Burkart, et al.
(2021) ACS MATERIALS LETTERS. 3(1). p.50-55
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Abstract
Structurally colored supraparticles, formed from dispersed nanoparticle building blocks through self-assembly, have tremendous potential for applications in displays, coatings, paints, inks, and cosmetics. Mechanical stability and solvent compatibility of supraparticles is critical in these applications. Here, we describe the scalable synthesis of supraparticles via the assembly of nanoparticles composed of synthetic melanin cores with silica shells (SM@SiO2 NPs) using a vortex-assisted reverse emulsion method. We use a hydrogen-bond driven crosslinking strategy employing polyethylene glycol to lock the SM@SiO2 NP building blocks together. This approach yields multicolor photonic supraparticles stable both in organic and aqueous solvents and in the dry state. Supraparticles crosslinked via 4-arm PEG2k withstand at least a 10-fold increase in compressive force when compared to noncrosslinked versions. Capitalizing on the enhanced stability of crosslinked supraparticles, we directly blend them with painting media and apply them as inks.
Keywords
SILICA, COLLOIDOSOMES, SUPRABALLS, ADSORPTION, PARTICLES, PIGMENTS, BALLS, DOMES

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MLA
Hu, Ziying, et al. “Structurally Colored Inks from Synthetic Melanin-Based Crosslinked Supraparticles.” ACS MATERIALS LETTERS, vol. 3, no. 1, 2021, pp. 50–55, doi:10.1021/acsmaterialslett.0c00432.
APA
Hu, Z., Sun, H., Thompson, M. P., Xiao, M., Allen, M. C., Zhou, X., … Gianneschi, N. C. (2021). Structurally colored inks from synthetic melanin-based crosslinked supraparticles. ACS MATERIALS LETTERS, 3(1), 50–55. https://doi.org/10.1021/acsmaterialslett.0c00432
Chicago author-date
Hu, Ziying, Hao Sun, Matthew P. Thompson, Ming Xiao, Michael C. Allen, Xuhao Zhou, Qing Zhe Ni, et al. 2021. “Structurally Colored Inks from Synthetic Melanin-Based Crosslinked Supraparticles.” ACS MATERIALS LETTERS 3 (1): 50–55. https://doi.org/10.1021/acsmaterialslett.0c00432.
Chicago author-date (all authors)
Hu, Ziying, Hao Sun, Matthew P. Thompson, Ming Xiao, Michael C. Allen, Xuhao Zhou, Qing Zhe Ni, Zhao Wang, Weiyao Li, Michael D. Burkart, Dimitri D. Deheyn, Ali Dhinojwala, Matthew Shawkey, and Nathan C. Gianneschi. 2021. “Structurally Colored Inks from Synthetic Melanin-Based Crosslinked Supraparticles.” ACS MATERIALS LETTERS 3 (1): 50–55. doi:10.1021/acsmaterialslett.0c00432.
Vancouver
1.
Hu Z, Sun H, Thompson MP, Xiao M, Allen MC, Zhou X, et al. Structurally colored inks from synthetic melanin-based crosslinked supraparticles. ACS MATERIALS LETTERS. 2021;3(1):50–5.
IEEE
[1]
Z. Hu et al., “Structurally colored inks from synthetic melanin-based crosslinked supraparticles,” ACS MATERIALS LETTERS, vol. 3, no. 1, pp. 50–55, 2021.
@article{8699334,
  abstract     = {{Structurally colored supraparticles, formed from dispersed nanoparticle building blocks through self-assembly, have tremendous potential for applications in displays, coatings, paints, inks, and cosmetics. Mechanical stability and solvent compatibility of supraparticles is critical in these applications. Here, we describe the scalable synthesis of supraparticles via the assembly of nanoparticles composed of synthetic melanin cores with silica shells (SM@SiO2 NPs) using a vortex-assisted reverse emulsion method. We use a hydrogen-bond driven crosslinking strategy employing polyethylene glycol to lock the SM@SiO2 NP building blocks together. This approach yields multicolor photonic supraparticles stable both in organic and aqueous solvents and in the dry state. Supraparticles crosslinked via 4-arm PEG2k withstand at least a 10-fold increase in compressive force when compared to noncrosslinked versions. Capitalizing on the enhanced stability of crosslinked supraparticles, we directly blend them with painting media and apply them as inks.}},
  author       = {{Hu, Ziying and Sun, Hao and Thompson, Matthew P. and Xiao, Ming and Allen, Michael C. and Zhou, Xuhao and Ni, Qing Zhe and Wang, Zhao and Li, Weiyao and Burkart, Michael D. and Deheyn, Dimitri D. and Dhinojwala, Ali and Shawkey, Matthew and Gianneschi, Nathan C.}},
  issn         = {{2639-4979}},
  journal      = {{ACS MATERIALS LETTERS}},
  keywords     = {{SILICA,COLLOIDOSOMES,SUPRABALLS,ADSORPTION,PARTICLES,PIGMENTS,BALLS,DOMES}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{50--55}},
  title        = {{Structurally colored inks from synthetic melanin-based crosslinked supraparticles}},
  url          = {{http://doi.org/10.1021/acsmaterialslett.0c00432}},
  volume       = {{3}},
  year         = {{2021}},
}
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